问题
选择题
-- _________ you called yesterday?
-- Tom．Why?
A．Who it is that
B．Who is it that
C．Who was it that
D．Who it was that
答案
答案：C
考查特殊疑问句的强调句型。结构为：疑问词+ is/was + it + that? 根据句意：昨天你究竟给谁打电话了？所以选C。
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